php shopping cart code_PHP tutorial
Here we provide you with a simple php shopping cart code. From adding shopping products to making purchases, this function is indispensable in mall development. We do not need a database and use txt text files to operate user shopping content. .
Here we provide you with a simple php tutorial shopping cart code. From adding shopping products to making purchases, this function is indispensable in mall development. We don’t need a database tutorial and use a txt text file. Manipulate user shopping content.
Add items to the shopping cart
//
// add_item.php:
// Add an item to the shopping cart .
//
session_start();
if (session_is_registered('cart')) {
session_register('cart');
}require 'lib. inc.php'; // LoadProducts()
LoadProducts(); // Load products in $master_products_list
// Make $curr_product global
$curr_product = array();// Loop through all the products and pull up the product
// that we are interested in
foreach ($master_products_list as $prod_id => $ product) {
if (trim($prod_id) == trim($_GET[id])) {
$curr_product = $product;
}
}
// Register our session
//session_register('cart');
//if(session_is_registered('cart')) echo "already registered";
if ($_POST[ordered]) { // If they have chosen the product
array_push($_SESSION[cart][products], array(trim($_POST[id]), $_POST[quantity] ));
$_SESSION[cart][num_items] += $_POST[quantity];
}
?>
?php } 🎜>
Added to shopping basket successfully
Return Product List page.
Add to your shopping basket
< ;/html>//
View items in shopping cart// cart.php: www.bkjia.com
//session_start();} else {}
require 'lib.inc.php';
//Determine whether the shopping basket session variable cart is registered, if not, register the cart variable
if (session_is_registered('cart')) {
session_register('cart');"products" => array());
// If the shopping basket is not initialized, initialize the shopping basket
if ( !isset($_SESSION[cart][num_items])) {
$_SESSION[cart] = array("num_items" => 0,}
// From site_lib.inc, Loads the $master_products_list array
LoadProducts(); //Load the item list
?>
Demo session tracking shopping basket program
Welcome to the online store
if ($_SESSION[cart][num_items]) { // If there is something to show
?>Items currently in the shopping basket
Unit price >
[products] as $i => $product) {
$product_id = $product[0];
$quantity = $product[1];
$total += $quantity *
(double)$master_products_list[$product_id][price];
?>
[name]; ?>
;
action="change_quant.php" method="post">
;td> ;?php
}
?>
b>
}
?>
Items for sale in the store
We offer the following items for sale:
Product name
=> $item) {
?>
td>
$item[price]; ?>
>?>
Modify the quantity in the shopping cart
//
// change_quant .php:
// Change the quantity of an item in the shopping cart.
//
session_start();
if (session_is_registered('cart')) {
session_register(' cart');
}
// Typecast to int, making sure we access the
// right element below
$i = (int)$_POST[id];
// Save the old number of products for display
// and arithmetic$old_num = $_SESSION[cart][products][$i][1];$_SESSION[cart][products][$i][1] = $_POST[quantity]; //change the quantity
if ($_POST[quantity]) {unset($ _SESSION[cart][products][$i]); // Send the product into oblivion
}More complex ones need to be considered more and better.// Update the number of items
$_SESSION[cart][num_items] = ( $old_num >$_POST[quantity]) ?
through quantity]-$old_num);
?>
Quantity modificationReturn product list page.
> ;
Function page, the user saves the contents of the shopping cart to the txt database//Item array
//Load item data function
$master_products_list = array();function LoadProducts() {
or die("Failed to open $filename file");
global $master_products_list;
$filename = 'products.txt';
$fp = @fopen($filename, "r")@flock($fp, 1)
or die("Lock $filename file failed");//Read file content
}
while ($line = fgets($fp, 1024)) {
list($id, $name, $desc, $price) = explode('|', $line); //Read each line of data, the data is formatted with | => $name, //Name
"price" => $price); //Unit price
}
@fclose($fp) //Close file
or die("Failed to close $filename file");?>
php shopping cart code
It’s very simple, we just use With just 4 files, you can implement the shopping cart function using php. Well, this is just a simple
http://www.bkjia.com/PHPjc/444925.html

The article discusses PHP, detailing its full form, main uses in web development, comparison with Python and Java, and its ease of learning for beginners.

PHP handles form data using $\_POST and $\_GET superglobals, with security ensured through validation, sanitization, and secure database interactions.

The article compares PHP and ASP.NET, focusing on their suitability for large-scale web applications, performance differences, and security features. Both are viable for large projects, but PHP is open-source and platform-independent, while ASP.NET,

PHP's case sensitivity varies: functions are insensitive, while variables and classes are sensitive. Best practices include consistent naming and using case-insensitive functions for comparisons.

The article discusses various methods for page redirection in PHP, focusing on the header() function and addressing common issues like "headers already sent" errors.

Article discusses type hinting in PHP, a feature for specifying expected data types in functions. Main issue is improving code quality and readability through type enforcement.

The article discusses PHP Data Objects (PDO), an extension for database access in PHP. It highlights PDO's role in enhancing security through prepared statements and its benefits over MySQLi, including database abstraction and better error handling.

Article discusses creating and securing PHP APIs, detailing steps from endpoint definition to performance optimization using frameworks like Laravel and best security practices.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Zend Studio 13.0.1
Powerful PHP integrated development environment

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool

SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

SublimeText3 English version
Recommended: Win version, supports code prompts!
